<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .header{
            height: 300px;
            margin-left: auto;
            margin-right:auto;
        }
        .nav{
            height: 200px;
        }
        .con{
            height: 900px;
            margin-left: auto;
            margin-right:auto;
        }
    </style>
</head>
<body>
    <div class="header">
        <img src="image/pic10.PNG" style="position: absolute; left: 150px;">
    </div>
    <div class="nav">
        <input type="text" style="position: absolute; left: 500px; width:550px; height:30px;">
        <input type="submit" value="搜索" style="background: orangered; color: white; width:100px; height:40px; position: absolute; left: 1050px;">
    </div>
    <div class="con">
        <img src="image/pic11.PNG" style="position: absolute; left: 150px;">
    </div>
</body>
</html>